manikanta-kops/missive

{
  "$schema": "https://agent-plugins.org/schemas/1.0.0/plugin.schema.json",
  "name": "missive",
  "version": "0.1.0",
  "description": "Connect to Missive through its official MCP server.",
  "homepage": "https://missiveapp.com",
  "license": "Apache-2.0",
  "extensions": {
    "app.kipster": {
      "id": "missive",
      "name": "Missive",
      "category": "email",
      "website": "https://missiveapp.com",
      "signIn": ["dcr"],
      "needsAddress": false,
      "accountTypes": ["personal", "business"],
      "cost": "user-paid-plan",
      "products": [
        {
          "name": "Missive",
          "rank": 1381,
          "category": "email",
          "website": "https://missiveapp.com",
          "accounts": "yes",
          "cost": "user-paid-plan",
          "signIn": "oauth-dcr",
          "research": {
            "verified": "yes",
            "checkedOn": "2026-10-09",
            "notes": "Missive hosts an official MCP server on current Productive or Business plans, and an admin must enable MCP for every organization the person belongs to. Discovery 2026-10-08: DCR yes, CIMD not advertised, S256, public clients (token auth none). Missive is a client over the person's email and calendar accounts (such as Gmail and Outlook), so conversations and calendars reach Kipster through Missive's cloud; kept because it is the person's own Missive account rather than an aggregator, and flagged as a third-party data flow.",
            "sources": [
              "https://missiveapp.com/docs/ai/mcp/server",
              "https://missiveapp.com/docs/developers/rest-api/",
              "https://mcp.missiveapp.com/.well-known/oauth-protected-resource",
              "https://auth.missiveapp.com/.well-known/oauth-authorization-server"
            ]
          }
        }
      ],
      "tools": {},
      "probe": {
        "result": "ok",
        "signIn": ["dcr"],
        "checkedOn": "2026-10-13",
        "reason": "HTTP 401, sign-in methods and S256 PKCE confirmed; no account tested"
      },
      "verification": "probe"
    }
  }
}